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- import _curry2 from "./internal/_curry2.js";
- import _dispatchable from "./internal/_dispatchable.js";
- import _xfindLast from "./internal/_xfindLast.js";
- /**
- * Returns the last element of the list which matches the predicate, or
- * `undefined` if no element matches.
- *
- * Acts as a transducer if a transformer is given in list position.
- *
- * @func
- * @memberOf R
- * @since v0.1.1
- * @category List
- * @sig (a -> Boolean) -> [a] -> a | undefined
- * @param {Function} fn The predicate function used to determine if the element is the
- * desired one.
- * @param {Array} list The array to consider.
- * @return {Object} The element found, or `undefined`.
- * @see R.transduce
- * @example
- *
- * const xs = [{a: 1, b: 0}, {a:1, b: 1}];
- * R.findLast(R.propEq('a', 1))(xs); //=> {a: 1, b: 1}
- * R.findLast(R.propEq('a', 4))(xs); //=> undefined
- */
- var findLast =
- /*#__PURE__*/
- _curry2(
- /*#__PURE__*/
- _dispatchable([], _xfindLast, function findLast(fn, list) {
- var idx = list.length - 1;
- while (idx >= 0) {
- if (fn(list[idx])) {
- return list[idx];
- }
- idx -= 1;
- }
- }));
- export default findLast;
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